[Abortions of unknown etiology and Rh blood groups].
D000028:Abortion, Induced / Q000209:etiology*; D000022:Abortion, Spontaneous; D005260:Female; D006801:Humans; D011247:Pregnancy; D012204:Rh-Hr Blood-Group System
D012204:Rh-Hr Blood-Group System
ABORTION/etiology and pathogenesis; RH FACTOR
Ungeklärte vorzeitige Schwangerschaftsbeendigung und Rh/rh Blutgruppensystem.